Olympus BLM-1, BLM-01, PS-BLM1 Battery (2-Pack) and Charger by Wasabi – Wasabi Power
Amazon.com : Wasabi Power Battery Charger for Olympus BLM-1, BLM-01, PS-BLM1, BLM-5, PS-BLM5 & Olympus C-5060, C-7070, C-8080, E-1, E-3, E-5, E-30, E-300, E-330, E-500, E-510, E-520 : Digital Camera Battery Chargers :
4Pcs 1800mAh PSBLM1 BLM1 BLM 1 Battery Accu+ LCD USB Charger for Olympus C 5060 C 7070 C 8080 E 30 E 300 E 330 E 500 E 510 E 520|Digital Batteries| - AliExpress